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Why it is necessary to use a primer instead of applying only two coats of final finish paint?

April 26, 2017coats final finish necessary paint primer

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Why it is necessary to use a primer instead of applying only two coats of final finish paint?

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Primer has a lot of benefits, because it helps to generate a uniform surface and promotes a good adhesion of the final finish paint. Primer is also useful to seal porous surfaces, improving the yielding and stain resistance of the paint. The use of printer, in most of the cases, depends on the characteristics of the surface to paint.